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PA 140 Power Amplifier 2x500W/4Ω

The QUBE PA 140 delivers 350w RMS per channel @ 8 ohms 500w RMS per channel @ 4 ohms, 1000w RMS continuous bridged mono mode @ 8 ohms. The PA 140 Power Amplifier is for applications where reliability and audiophile sound reproduction are of primary importance. Key features include self-resetting protective circuitry to safeguard against damage and prevent failures, LED indicators for the operation status of each channel, a ground lift switch, a switch for stereo/ mono/ bridge mode operation, balanced XLR ins/outs and Neutrik® Speakon outs. The Qube PA 140 Power Amplifier features a port in the rear of the amp to accommodate optional plug in Qube controller modules, which are specially designed to optimize the sound and performance of Qube passive version speakers and to protect them from damage and failure.
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Qube Catalogue
Qube Amplifers


Continuous power both channels driven:350 W 8 ohm - 500 W 4 ohm @ THD < 0,05% (W RMS)
Continuous power bridge mode:1000 W 8 ohm @ THD < 0,05% (W RMS)
Impulsive power both channels driven:470 W 8 ohm - 700 W 4 ohm @ THD < 0,05% (W RMS)
Impulsive power bridge mode:1300 W 8 ohm @ THD < 0,05% (W RMS)
Input sensitivity:1.4 Veff
Input Impedance:15k ohm min.
Slew rate:> 40 V/s
Signal-to-noise ratio:107 dB w/A
Harmonic distortion:(1 kHz - 4 ohm) < 0,015 @ 280 W
IMD:< 0,04%
TIM:< - 80 dB
Frequency response:20 Hz - 20 kHz
Damping factor:> 400 @ 8 ohm, 1 kHz
Max output voltage:90 Vp
Max current:25 Aeff
Electrical input:1500 VA
Power supply voltage:230 V
Protection:DC/thermal/SOA softstart
Cooling:variable speed fan
Dimensions:8,8 x 48,2 x 48,7 cm (3.5” x 19” x 19.2”) (H x W x D)
Weight:18.5 kg (lbs 40,7)
Rack Space:2U
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